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Unread 11-29-2011, 08:23 AM   #1
Not Yet Wild
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Default Which 48V OnBoard Charger?

I am changing my 09 EZGO PDS from 36v to 48v currently with 6 x 6v battteries soon to be 8x6v batteries and I am looking for an onboard charger. I have heard Lester is a good product so I was evaluating this one: Lester 26680 HIGH FREQUENCY, 48V/25A onboard charger. Most cart chargers are 15A so I thought this would be nice to be able to charge faster if needed siince this charger output is 25A. I use my cart in the hills for hunting and maintenance. Currently, I cannot hunt 1 AM hunt without batteries being dead. I am going to test the SG on each cell soon to diagnose that problem and buy new batteries if needed.

I really wanted to install dual 12v chargers with 2 10Amp circuits each to charge 2 batteries per 12v circuit. This way, if I have one battery that is bad, it can only corrupt 1 other battery. Some reason this does not seem to work. The chargers dont finish charging in 12 hours. Actually, I have not had them finish charging at all. Can anyone expain why this would not work? Theoretically this should work very well.
Thanks
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Unread 11-29-2011, 08:27 AM   #2
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Default Re: Which 48V OnBoard Charger?

The Lester is a good charger, it costs more than the other on board chargers cost but it is the only one I have not had problems with.
I am not a big fan of on board chargers, especially in off road conditions.
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Unread 11-29-2011, 09:26 AM   #3
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Default Re: Which 48V OnBoard Charger?

Scottyb
ok
what are your thoughts on the 12v charger circuits per 2 batteries?
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Unread 11-29-2011, 09:44 AM   #4
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Default Re: Which 48V OnBoard Charger?

The 12v automotive charger is not correct for deep cycle batteries. These batteries require a minimum 3 stage charge.
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Unread 11-29-2011, 01:04 PM   #5
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Default Re: Which 48V OnBoard Charger?

looks like I am going to try one of these
http://www.geniuschargers.com/GEN4/specs
on Amazon they are $169 discounted $190
Seen on net where other people have used them for cart charging.
I will see how it charges.
Steps 1 & 2: Test & Diagnostics
Checks battery voltage to make sure battery connections are good & battery is in a stable condition.

Step 3: Soft Start
Begins Bulk charging process with a gentle (soft) charge.

Step 4: Bulk
Continues Bulk charging process, returns 80% of battery capacity.

Step 5: Absorption
Switches to a constant current charge rate to bring your batteries close to 90% charge.

Step 6: Taper
Charges at low current levels until battery has reached 95% of its capacity.

Step 7: Top-Off
Charger initiates top-off charge to bring the battery to 100% charge.

Step 8: 24 Hour
Shuts off, but constantly monitors your battery by providing a gentle charge every 24 hours for maximum battery life.
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Unread 11-29-2011, 01:06 PM   #6
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Default Re: Which 48V OnBoard Charger?

by the way scottyb I like you LED power meter. I bought one and it works great. The one I received has a bright metal housing. Do you have a metal plate that is black for a hunting cart?
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Unread 11-29-2011, 01:09 PM   #7
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Default Re: Which 48V OnBoard Charger?

Sorry I do not.... I bet some spray paint would fix it
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Unread 11-29-2011, 06:39 PM   #8
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Default Re: Which 48V OnBoard Charger?

You can cover it with one of these
http://www.shopezgo.com/catalog/Part...ole-decal.html
find one with only the key switch hole, and then cut openings for the dvm and the F/R (if applicable)
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Unread 12-06-2011, 03:59 PM   #9
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Default Re: Which 48V OnBoard Charger?

thanks
good idea.
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Unread 12-14-2011, 10:34 PM   #10
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Default Re: Which 48V OnBoard Charger?

Quote:
Originally Posted by techie1 View Post
looks like I am going to try one of these
http://www.geniuschargers.com/GEN4/specs
on Amazon they are $169 discounted $190
Seen on net where other people have used them for cart charging.
I will see how it charges.
Steps 1 & 2: Test & Diagnostics
Checks battery voltage to make sure battery connections are good & battery is in a stable condition.

Step 3: Soft Start
Begins Bulk charging process with a gentle (soft) charge.

Step 4: Bulk
Continues Bulk charging process, returns 80% of battery capacity.

Step 5: Absorption
Switches to a constant current charge rate to bring your batteries close to 90% charge.

Step 6: Taper
Charges at low current levels until battery has reached 95% of its capacity.

Step 7: Top-Off
Charger initiates top-off charge to bring the battery to 100% charge.

Step 8: 24 Hour
Shuts off, but constantly monitors your battery by providing a gentle charge every 24 hours for maximum battery life.

How has this charger worked out?
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